Automatically assigned DDC number: 00435

Manually assigned DDC number: 00435

Number of references: 4

Title: Parallel Approaches to Real-Time MPEG Video Compression

Author:

Author:

Author:

Author:

Subject: Ke Shen,Edward J. Delp,Professor Edward,J. Delp Parallel Approaches to Real-Time MPEG Video Compression

Description: In this paper we present several parallel implementations of an MPEG1 video encoder on a multiple instruction streams multiple data streams (MIMD), distributed memory supercomputer. Since the MPEG compression algorithm is frame/block based, video data can be distributed to the processors frame-wise (temporal parallelism) or block-wise (spatial parallelism) without changing the overall computation complexity of the algorithm. In our approaches, both spatial and temporal parallelism have been exploited. For a supercomputer, such as the Intel Paragon, which is optimized for scientific computation, it is difficult to maintain a huge data throughput which is required for real-time video compression. While the Paragon has the computation capacity to compress video sequences at a speed faster than real-time, we found that real-time performance cannot be achieved if the Input/Output (I/O) techniques are not designed properly. We present several schemes, corresponding to different types of data pa...

Contributor: The Pennsylvania State University CiteSeer Archives

Publisher: unknown

Date: 1999-02-03

Pubyear: 1997

Format: ps

Identifier: http://citeseer.ist.psu.edu/144961.html

Source: ftp://skynet.ecn.purdue.edu/pub/dist/delp/p-mpeg/paper.ps.Z

Language: en

Relation:

Relation:

Relation:

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Rights: unrestricted

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